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Fencer Vulns
high 7.8

CVE-2025-22880 json

Heap-based Buffer Overflow in CNCSoft-G2

published 2025-02-07 21 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-3036

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits
0
none known

Summary

Delta Electronics CNCSoft-G2 lacks proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. If a target visits a malicious page or opens a malicious file an attacker can leverage this vulnerability to execute code in the context of the current process.

Patch / fix

  • Delta Electronics CNCSoft-G2 2.1.0.20

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-24-191-01 updated cvss 7.8

Delta Electronics CNCSoft-G2 (Update A)

  • Delta Electronics CNCSoft-G2 <=2.1.0.10
    affected: mitigation “Delta Electronics recommends users update to v2.1.0.20 or later.” downloadcenter.delta-china.com.cn

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Delta Electronics CNCSoft-G2

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.